Question

C) What is thermal expansion? Describe three applications of thermal expansion.


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Answer 1

Explanation:

Following are the advantages of thermal expansion: (1) If we find it difficult to remove the stopper from a glass bottle, we can heat the neck of the bottle. ... (2) The principle of thermal expansion is used in fixing iron rim with the wooden wheel firmly. (3) Rivets are used to hold steel plates together very tightly.